Tag: Virus

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Millions of people are chronically infected with HBV worldwide despite the use of an effective vaccine. Those infected are at a high risk of developing liver cancer. Although current therapeutic regimens exist that can efficiently suppress viral replication of HBV, the virus has a unique replication strategy that enables the virus to persist within infected hepatocytes and eventually cause a relapse of viral activity within the infected individual. Progress in understanding HBV replication and the development of more effective therapeutic strategies aiming to achieve sustained viral control is hindered.
Covalently closed circular DNA that is involved with viral production of the virus is not yet identified. The virological and immunological mechanisms that prevent vi...

Zika is a virus transmitted through mosquito bites. The Zika virus was first detected in Brazil in May of 2015, the virus has traveled to Africa and parts of Asia. Zika has is new to the western hemisphere, spreading through out Latin America and the Caribbean. Since then 1.5 million people have been reported infected in Brazil. In the U.S. there has been many travel related cases 625 cases in the New York, 510 in Florida, and 152 cases in California.
Zika doesn’t just have effects now but also has health effects in the long-term. The virus causes a disease in unborn and born infants called Microcephaly. The disease causes children to be born with abnormally small heads and often deformed brains. The U.S is advising pregnant women to not travel anywhere the virus is pre...

Usually most people have heard of influenza, or in other words the flu. The flu is a contagious respiratory illness caused by influenza that infect the nose, throat, and even the lungs. There are three different types of the influenza virus which are: influenza A, influenza B, and influenza C. Influenza A is the most common one to humans. Most of the time with the flu you would only get a mild to severe illness, but at times it could lead to death. There is really no way of preventing getting the flu, but to lessen your chances you could always get the flu vaccine. There are a lot of different symptoms that come along with the flu like: a fever, cough, sore throat, runny nose, muscle or body aches, headaches, fatigue, and sometimes even vomiting. It’s also important ...

I enter the nerves of the diseased and cause inflammation of the brain in humans and other animals. I am present in more than 150 countries, with more than 3 billion people in regions of the world living where I exist. In 2015 alone, I caused about 17,400 deaths. I am the rabies virus. I belong to the Lyssavirus genus, which is composed of RNA viruses in the family Rhabdoviridae, order Mononegavirales.
Like other lyssaviruses, I have a single-stranded RNA genome with negative sense. I have two major structural components: a helical ribonucleoprotein core (RNP) and a surrounding envelope. In my RNP, my genomic RNA is tightly encased by the nucleoprotein. My RNA genome encodes the five genes: nucleoprotein (N), phosphoprotein (P), matrix protein (M), glycoprotein (G), a...

The Zika virus is spread via mosquitoes, more specifically Aedes mosquitoes. The name Zika came from the Zika forest in Uganda. The particular Zika virus was first uncovered in 1947 in monkeys and apes, but the particular first human cases associated with Zika showed up inside 1952 in areas to be able to Africa to Asia.
The classification regarding this virus belongs to the family called Flaviviruses. Flaviviruses are a group of RNA viruses that cause human diseases. Other common viruses in the flavivirus family are usually yellow fever and the particular west nile virus. Yellow-colored fever is actually a virus that will affects the kidneys and liver, causing jaundice and fever that may be often fatal. The West Nile Virus is a virus of which causes encephalitis and flu viru...

The school nurse recognizes Tammy is in which of Erickson’s developmental stages?
Identity vs. Role ConfusionWhich developmental characteristic should the nurse expect?
Dramatic physiological changes associate with sexual maturationWhich are components of a comprehensive sex education program? (Select all that apply).
-Abstinence
-Contraceptive effectiveness
-Sexually transmitted disease prevention
-Emotional aspects associated with sexWhich educational topic presented by the nurse is the most important?
Ways to prevent sexually transmitted diseaseHow should the RN respond to Tammy’s question?
Many STDs can be transmitted through oral contactWhich information regarding HSV transmission should the RN present?
Both HSV I and HSV II can cause disease o...

The school nurse recognizes Tammy is in which of Erickson’s developmental stages?
Identity vs. Role ConfusionWhich developmental characteristic should the nurse expect?
Dramatic physiological changes associate with sexual maturationWhich are components of a comprehensive sex education program? (Select all that apply).
-Abstinence
-Contraceptive effectiveness
-Sexually transmitted disease prevention
-Emotional aspects associated with sexWhich educational topic presented by the nurse is the most important?
Ways to prevent sexually transmitted diseaseHow should the RN respond to Tammy’s question?
Many STDs can be transmitted through oral contactWhich information regarding HSV transmission should the RN present?
Both HSV I and HSV II can cause disease o...

There are various forms of influenza of influenza; those that have been identified include influenza A, influenza B, and influenza C. Type A usually results in causation of localized outbreaks seen in many places. Type B is known to cause sporadic occurrences of illnesses due to the viral mechanism, while type C is yet to be associated with major occurrences of illness conditions.
Role of Antigenic Shift and Antigenic DriftThere are fundamental differences between antigenic drift and antigenic shift in the contemporary study of influenza virus:
Antigenic Shift
Antigenic shift primarily occurs when different strains (in essence more than two) interact leading to the subsequent formation of new subtype with an expression of different formulation of antigens. Antigenic shift occurs fro a...